Features: 100% brand new and high quality This is household electric grinder, made fdurable stainless steel, with a cute transparent cover, easy to clean. Multi-functional grinder, cereal, beans, seasoning. DIY your favorite coffee or other food, the best life assistant. Unique design and classic style. To increase more entertainment in life. Safe and convenient, save more time. How to use: Tightening the cover by the counter-clockwise direction. The food should not contain moisture. When grinding, press the button hold for 5s, then release it let it cool down 5s too, to help prevent the motor over heat. Note: Transition: 1cm=10mm=0.39inch Thank you for choosing and purchasing our products. We provide a full range of services for each customer.If you have any product problems, please contact us and we will help you solve the problem.